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(a) A section of road has a free flow speed of 55km/h and a jam density of 367 vehicles per kilometre. Assuming under a linear speed-density relationship, calculate the density at maximum flow, the maximum flow rate and the speed at maximum flow.
(b) A roadway has an average hourly traffic volume of 360 veh/h. Assuming that the arrival of vehicles is Poisson distributed, estimate the probabilities of having 0, 1, 2, 3, 4 and 5 or more vehicles arriving over a 20 second time interval. Determine the probability that the gap between successive vehicles will be less than 8 seconds.
(c) Consider the following traffic situation for an intersection. Minor road vehicles at a STOP sign need a 6 seconds gap from the major road traffic to cross the road. If the major road traffic volume is 450 veh/h, estimate the percentage of vehicles from the minor road that could make a successful crossing without being delayed. If the minor road vehicles have a follow-up time of 2 seconds, determine the maximum number of minor road vehicles that could cross the major road during one hour.
External air tappings: Engines vary as to the number of external air tappings and their usage. The following notes are taken from the Pratt and Whitney JT9D but have been simp
Assume you invest $150 per month in a stock. Stock prices are as follows: January $10.50, February $9.75, March $9.50, April $11.00, May $10.75, June $9.75, July $9.00, August $8.5
Depreciation Methods Technically speaking, U.S. tax law permits deduction from taxable income of a reasonable allowance for wear or tear, natural decay or decline, exhaustion,
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write an algorithm to find a number that multiplies your name 10 times
The access time of ROM using bipolar transistors is about
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Who is a more senior creditor, a bondholder or stockholder? The bondholder is always more mature. Stockholders (including those who own recommended stock) must delay until bond
Cash Flow Diagrams We will use a cash flow approach to analyze the flow of money through out a planning horizon. A cash flow occurs when money actually change hands. We will u
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